@echo off 
echo %username%
SET SourceFile=C:\Users\%username%\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\启动煤流检测程序.bat
echo  %SourceFile%
if not exist %SourceFile% (
  cp 启动煤流检测程序.bat C:\Users\%username%\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\
)
